This folder includes the correspondence of Louis J. Frank with Beth Israel Hospital medical staff serving in World War I. Correspondence is mainly sent from "somewhere in France," but also from Germany and Fort Benjamin, Indiana in the U.S.

Topics include the staffing of Beth Israel, future needs of military patients, the status of the Beth Israel Hospital building (future Dazian Pavilion), and the daily life of those serving. At least one letter makes reference to the Mount Sinai Hospital Unit.

This folder includes the correspondence of Louis J. Frank with Beth Israel Hospital medical staff serving in World War I. Correspondence is mainly sent from "somewhere in France," but also from Germany and Fort Benjamin, Indiana in the U.S.

Topics include discussion on daily life for those serving in the war, Russia's role in the war, the status of the new Beth Israel hospital building (future Dazian Pavilion), medical staff shortages at Beth Israel and in the United States, the Influenza Epidemic of 1918, discussions of wartime surgery, discussions of x-ray training for military doctors, the status of various Beth Israel doctors at home and abroad, and global and local politics, particularly related to Congressman Isaac Siegel. Two postcards were also sent from Leo B. Meyer from Chartreuse de Vauclaire, a monastery turned military hospital in France. Letters also make various references to the Mount Sinai Hospital unit.

Memos and correspondence documenting the activities of Mount Sinai Hospital in World War II, including setting up the Third General Hospital unit, the Military Emergency Fund of the Medical Staff, the purchase of war bonds, and the dedication of an airplane to Mount Sinai.

News clippings regarding Mount Sinai Hospital's involvement in World War II.

Roosevelt Hospital Service Log, (circa 1942-1945; 1947) contains lists of where RH personnel were stationed, info on particular people, clippings, letters to the Roosevelt Mail newsletter re: subscriptions, descriptions of experiences in war and general updates on evacuation hospital activities and individual staff activities; typescripts of correspondence from soldiers; sometimes includes photos, stationary, postcards.

The Roosevelt Mail, (1945 July to 1946 Sept) newsletter of the 9th Evacuation Hospital includes news of the activities of the 9th Evacuation Hospital unit during World War II, including transcripts of radio talks of representatives of the unit taking part in a two-way broadcast and notes and updates from specific soldiers. This unit was comprised of many staff members from Roosevelt Hospital.